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Proof step 241 from proof inv-evict (previous step)

asynced ↔ asynced0, ino = inode.ino, inode = mkinode(m, md, boolvar, m0, m1, m2), afs-cons(dirs, files), dcache-cons(dcache, dirs, files), icache-cons(icache, dirs, files), pcache-cons(pcache, dirs, files), synced(dirs, icache, pcache), asynced1 → synced(files, icache, pcache), m ∈ dirs ∧ m0 = dirs[m].nlink ∧ m2 = dirs[m].size ∧ m1 = dirs[m].nsubdirs ∧ boolvar ∨ m ∈ files ∧ m0 = files[m].nlink ∧ m1 = 0 ∧ ¬ boolvar ⊦ [skip] ( afs-cons(dirs, files) → ⟪if ESUCCESS = ESUCCESS ∧ m0 = 0 then {err := ESUCCESS; icache_delete#(m; err, icache); if ¬ boolvar then pcache_evict#(m; err, pcache)}⟫ ( icache-cons(icache, dirs, files) ∧ dcache-cons(dcache, dirs, files) ∧ pcache-cons(pcache, dirs, files) ∧ synced(dirs, icache, pcache) ∧ (asynced1 → synced(files, icache, pcache)))), files[ino].nlink = 0, m = ROOT_INO, ino ∈ dirs

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

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